﻿<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <style type="text/css">
     h2.pos_abs
     {position:absolute;
      left:100px;
      top:150px;
     }   

    </style>

  </head>

<body>
  <h2 class="pos_abs">这个表题绝对定位，距离左侧100px，距离顶部150px。</h2>
</body>
</html>
